Home / 13,328.24-19,975.56-6,756.08

Finding the Fourth Proportional to 13,328.24, 19,975.56 and 6,756.08

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Solution

The fourth proportional to 13,328.24, 19,975.56 and 6,756.08 is: 10,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.24 : 19,975.56 = 6,756.08 : x
  2. Step 2: Convert to fraction form
    13,328.24/19,975.56 = 6,756.08/x
  3. Step 3: Cross multiply
    13,328.24x = 19,975.56 × 6,756.08
  4. Step 4: Simplify right side
    13,328.24x = 134,956,481.40
  5. Step 5: Solve for x
    x = 134,956,481.40/13,328.24
  6. Step 6: Final answer
    x = 10,125.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.